A Guide to selecting software measures and metrics by Capers Jones

By Capers Jones

Going the place no ebook on software program size and metrics has formerly long past, this critique completely examines a couple of undesirable dimension practices, unsafe metrics, and enormous gaps and omissions within the software program literature that forget very important subject matters in size. The ebook covers the main gaps and omissions that have to be crammed if info approximately software program improvement is to be worthwhile for comparisons or estimating destiny projects.

Among the worse gaps are leaks in reporting approximately software program improvement efforts that, if now not corrected, can distort information and make benchmarks virtually lifeless and probably even destructive. the most universal leaks is that of unpaid time beyond regulation. software program is a truly labor-intensive career, and plenty of practitioners paintings very lengthy hours. despite the fact that, few businesses truly list unpaid time beyond regulation. which means software program attempt is underreported via round 15%, that is too huge a price to disregard. different resources of leaks comprise the paintings of part-time experts who come and move as wanted. There are dozens of those experts, and their mixed attempt can best forty five% of overall software program attempt on huge projects.

The publication is helping software program venture managers and builders discover mistakes in measurements to allow them to strengthen significant benchmarks to estimate software program improvement efforts. It examines adaptations in a few parts that come with:

  • Programming languages
  • Development methodology
  • Software reuse
  • Functional and nonfunctional requirements
  • Industry type
  • Team dimension and experience

Filled with tables and charts, this ebook is a kick off point for making measurements that replicate present software program improvement practices and realities to reach at significant benchmarks to lead profitable software program initiatives.

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Extra resources for A Guide to selecting software measures and metrics

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The technical debt metric, which omits expensive quality issues such as litigation and consequential damages. Technical debt does not occur at all for projects where quality is so bad that they are canceled and never released, even though some canceled projects cost millions of dollars. Technical debt is also hard to apply to embedded and systems software. It does provide interesting if incomplete information for information technology projects. It is an interesting sociological question as to why an industry that employs thousands of mathematicians and statisticians should continue to use dangerous 45 46 ◾ A Guide to Selecting Software Measures and Metrics and inaccurate metrics for more than 60 years with hardly any of the software literature even questioning their results?

Also, formal testing should use more certified test personnel instead of informal testing by untrained developers. It would be technically possible to improve software development by more than 50% reduction in software wastage by more than 90% within 10 years if there were a rapid and effective method of technology transfer that could reach hundreds of companies and thousands of software personnel. However, as of 2016, there are no really effective channels that can rapidly spread proven facts about better development methods and better software quality control.

9. 10. 11. 12. 13. 14. 1 Development Activities for Six Project Size Plateaus 10 Function Points ◾ Activities Performed 18 A Guide to Selecting Software Measures and Metrics X X 6 9 18 5 Activities 22 23 X X X 25. Project management X X X 24. Installation/training X X X X X X X X X 100,000 Function Points 23. Quality assurance 22. Independent testing X 21. Acceptance testing X X X X X X X 10,000 Function Points 20. Beta testing X 19. System testing X X X X X 1,000 Function Points 18. Integration testing 17.

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